gitea/legado
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Code Issues Packages Projects Releases Wiki Activity

优化

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This commit is contained in:
kunfei 2022-05-14 19:23:46 +08:00
parent 8b2dee847c
commit f0bb7ce4b0
2 changed files with 65 additions and 83 deletions
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87
app/src/main/java/io/legado/app/utils/ColorUtils.kt
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@ -1,16 +1,18 @@
package io.legado.app.utils
import android.graphics.Color
import androidx.annotation.ColorInt
import androidx.annotation.FloatRange
import androidx.core.graphics.ColorUtils
import java.util.*
import kotlin.math.*
@Suppress("unused", "MemberVisibilityCanBePrivate")
object ColorUtils {
fun isColorLight(@ColorInt color: Int): Boolean {
return ColorUtils.calculateLuminance(color) >= 0.65
}
fun intToString(intColor: Int): String {
return String.format("#%06X", 0xFFFFFF and intColor)
}
@ -39,10 +41,6 @@ object ColorUtils {
return shiftColor(color, 1.1f)
}
fun isColorLight(@ColorInt color: Int): Boolean {
return ColorUtils.calculateLuminance(color) >= 0.65
}
@ColorInt
fun invertColor(@ColorInt color: Int): Int {
val r = 255 - Color.red(color)
@ -79,83 +77,6 @@ object ColorUtils {
return Color.argb(a.toInt(), r.toInt(), g.toInt(), b.toInt())
}
/**
* 按条件的到随机颜色
*
* @param alpha 透明
* @param lower 下边界
* @param upper 上边界
* @return 颜色值
*/
fun getRandomColor(alpha: Int, lower: Int, upper: Int): Int {
return RandomColor(alpha, lower, upper).color
}
/**
* @return 获取随机色
*/
fun getRandomColor(): Int {
return RandomColor(255, 80, 200).color
}
/**
* 随机颜色
*/
class RandomColor(alpha: Int, lower: Int, upper: Int) {
private var alpha: Int = 0
private var lower: Int = 0
private var upper: Int = 0
//随机数是前闭 后开
val color: Int
get() {
val red = getLower() + Random().nextInt(getUpper() - getLower() + 1)
val green = getLower() + Random().nextInt(getUpper() - getLower() + 1)
val blue = getLower() + Random().nextInt(getUpper() - getLower() + 1)
return Color.argb(getAlpha(), red, green, blue)
}
init {
require(upper > lower) { "must be lower < upper" }
setAlpha(alpha)
setLower(lower)
setUpper(upper)
}
private fun getAlpha(): Int {
return alpha
}
private fun setAlpha(alpha: Int) {
var alpha1 = alpha
if (alpha1 > 255) alpha1 = 255
if (alpha1 < 0) alpha1 = 0
this.alpha = alpha1
}
private fun getLower(): Int {
return lower
}
private fun setLower(lower: Int) {
var lower1 = lower
if (lower1 < 0) lower1 = 0
this.lower = lower1
}
private fun getUpper(): Int {
return upper
}
private fun setUpper(upper: Int) {
var upper1 = upper
if (upper1 > 255) upper1 = 255
this.upper = upper1
}
}
fun argb(R: Int, G: Int, B: Int): Int {
return argb(Byte.MAX_VALUE.toInt(), R, G, B)
}

61
app/src/main/java/io/legado/app/utils/RandomColor.kt Normal file
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@ -0,0 +1,61 @@
package io.legado.app.utils
import android.graphics.Color
import java.util.*
@Suppress("unused")
class RandomColor(alpha: Int, lower: Int, upper: Int) {
constructor() : this(255, 80, 200)
private var alpha: Int = 0
private var lower: Int = 0
private var upper: Int = 0
init {
require(upper > lower) { "must be lower < upper" }
setAlpha(alpha)
setLower(lower)
setUpper(upper)
}
//随机数是前闭 后开
fun build(): Int {
val red = getLower() + Random().nextInt(getUpper() - getLower() + 1)
val green = getLower() + Random().nextInt(getUpper() - getLower() + 1)
val blue = getLower() + Random().nextInt(getUpper() - getLower() + 1)
return Color.argb(getAlpha(), red, green, blue)
}
private fun getAlpha(): Int {
return alpha
}
private fun setAlpha(alpha: Int) {
var alpha1 = alpha
if (alpha1 > 255) alpha1 = 255
if (alpha1 < 0) alpha1 = 0
this.alpha = alpha1
}
private fun getLower(): Int {
return lower
}
private fun setLower(lower: Int) {
var lower1 = lower
if (lower1 < 0) lower1 = 0
this.lower = lower1
}
private fun getUpper(): Int {
return upper
}
private fun setUpper(upper: Int) {
var upper1 = upper
if (upper1 > 255) upper1 = 255
this.upper = upper1
}
}